I don't anyone was doubting what you've seen, Pat. Yeah, misinformation and lies are permeating the air and web waves. All too easy to put them out, since there seem to be so few interested in facts. Truth doesn't get a lot of "likes" or retweets. Gotta have something sensational for those...
To be honest, what I find more concerning is that this is coming from a doctor who has a platform on YouTube able to reach thousands or millions of people. I want to believe he’s doing this out of actual concern and ignorance + lack of research.